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[Hypertensive emergencies and urgencies]

David Giang Phan1, Céline Dreyfuss-Tubiana1, Jacques Blacher1

  • 1Université Paris Descartes, AP-HP, hôpital Hôtel-Dieu, centre de diagnostic et de thérapeutique, unité hypertension artérielle, prévention et thérapeutique cardiovasculaires, place du Parvis-Notre-Dame, 75004 Paris, France.

Presse Medicale (Paris, France : 1983)
|August 8, 2015
PubMed

Insights

Hypertensive emergency involves target organ damage requiring urgent IV treatment. High blood pressure without organ damage is hypertensive urgency, often needing oral medication, not an emergency.

Area of Science:

  • Cardiology
  • Nephrology
  • Emergency Medicine

Context:

  • Hypertension is a prevalent chronic condition affecting a large population.
  • Hypertensive emergencies, though less common (1-2% of hypertensive patients), signify critical medical situations.
  • Distinguishing true hypertensive emergencies from urgencies is crucial for appropriate patient management.

Purpose:

  • To define and differentiate true hypertensive emergencies from hypertensive urgencies.
  • To outline the diagnostic criteria and clinical signs associated with hypertensive emergencies.
  • To emphasize the critical need for prompt and appropriate treatment in hypertensive emergencies.

Summary:

  • True hypertensive emergency is defined by severe target organ damage necessitating immediate intravenous therapy.
  • Isolated severe hypertension without evidence of organ damage constitutes a hypertensive urgency, typically managed with oral medications.
  • Clinical manifestations include severe headache, visual disturbances, neurological deficits, heart failure symptoms, chest pain, and signs of renal dysfunction or eclampsia.

Impact:

  • Accurate diagnosis prevents unnecessary aggressive treatment in hypertensive urgencies.
  • Timely intervention in true hypertensive emergencies can prevent irreversible target organ damage and reduce mortality.
  • Understanding these distinctions improves patient outcomes and optimizes healthcare resource allocation.

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